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Thread: Possible rear wheel bearing broken?!

  1. #1
    E500E explorer 500AMM's Avatar
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    Possible rear wheel bearing broken?!

    Hi.

    Here's a sound clip of a rear wheel bearing possibly on the way down. It's recorded with a simple mobile phone held close to the wheel when backing the car. All other sounds are a bit salient too, but besides the super charger and the bird tweet you also hear the click -click...

    Any comments?

    -arnt-
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    Arnt
    '92 500E, 6.0 AMG, König SC, Black/black
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  2. #2
    E500E explorer 500AMM's Avatar
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    Re: Possible rear wheel bearing broken?!

    Hmm, no comments on this, that's strange. Someone must have experienced a bad bearing on a car, I have not so that's why I ask. It could be something with parking brake mechanism for what I know. Come on now, shoot some comments here.

    :!:
    Cheers
    -arnt-
    Arnt
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  3. #3
    I do believe...! Christian_K's Avatar
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    Re: Possible rear wheel bearing broken?!

    Could be, or the joint/knuckle of the driveshaft... that usually makes the "click click", because if there is not enough fat/lubricant in it, i will tilt/cant/jam and then clicks....
    I have a good Video of a E500 test-drive were you can hear a broken rear wheel bearing (seller confirmed it): (listen exactly at 0:04 through 0:06 and at 0:55) http://www.youtube.com/watch?v=pKogzNuBapE

    To further diagnose this, remove the big nut at the wheel, pop-out the driveshaft and then turn the wheel again to check for sounds.
    Christian K.
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  4. #4
    E500E explorer 500AMM's Avatar
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    Re: Possible rear wheel bearing broken?!

    You're right Christian. It didn't touch me, but it could of course be the universal joint. I'm afraid the high torque on this car at some point will kill both the universal joints and the differential. The bearings should in fact not be exposed that much. I'm replacing the springs with a set of Brabus now, so I'll check this at the same time.

    Cheers
    -arnt-
    Arnt
    '92 500E, 6.0 AMG, König SC, Black/black
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  5. #5
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    Re: Possible rear wheel bearing broken?!

    My experience with bad wheel bearing units has generally been a low, constant rumbling or "droning" noise rather than a distinct clicking noise. I am sure depending on the type of failure that noises can vary, but I didn't get the immediate sense that this is a bearing issue.

    Cheers,
    Gerry

  6. #6
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    Re: Possible rear wheel bearing broken?!

    I agree with GVZ. The bearing failures I've experienced were always a roaring noise that got louder with vehicle speed, but never any clicking. If you have the roaring noise too, it could be the bearing, but otherwise I'd suspect something with the CV joint, or maybe just something out of place in the parking brake area...? Or lug bolts that are too long?

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  7. #7
    Senior Member Allgonquin's Avatar
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    Re: Possible rear wheel bearing broken?!

    I have what I think is a right rear wheel bearing going south right now on my 124 diesel. I have a distinctive growl which I hear on coast down from about 50 mph downward. The growl almost disappears when I swerve right. Kind of an oooowwwwwwwww sound getting slower and deeper as I slow. No clicking at all.

    I am scheduled to replace it next week, I'll let you know if that was it!

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  8. #8
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    Re: Possible rear wheel bearing broken?!

    That makes sense as the loading on the bearing changes with the attitude of the car changing. It's an inexpensive and fairly easy thing to change out.

    Cheers,
    Gerry

  9. #9
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    Re: Possible rear wheel bearing broken?!

    From listening to the clip, it sounds like it could be at wheel frequency so is more likely to be an issue with the disk or the parking brake.

    I had problems with the braking brake shoes losing material which led to some funny noises, though more graunching than clicking.

    Could it be stone stuck between the webs of the brake disk, or perhaps a cracked disk?

    If it is one of the CV joints it would be at a higher frequency; 3 times per wheel revolution, so it doesn't sound that high.

  10. #10
    E500E explorer 500AMM's Avatar
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    Re: Possible rear wheel bearing broken?!

    OK, it seems to be the universal joint then. I'll better start looking for a new driveshaft, or is this CV joint replaceable?

    -arnt-
    Arnt
    '92 500E, 6.0 AMG, König SC, Black/black
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  11. #11
    E500E Guru 500ESpain's Avatar
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    Re: Possible rear wheel bearing broken?!

    What about central driveshaft bearing?
    Esteban

    1971 Seat 600E, 1981 Mercedes 300TD, 1984 Mercedes 300D, 1992 Mercedes 500E, 1995 Range Rover 4.6 HSE, 2005 Audi A4 2.5TDI Avant, 2007 Triumph Bonneville

  12. #12
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    Re: Possible rear wheel bearing broken?!

    Hi Esteban.

    I don't believe this is in the kardan or differential, the clicking is very close to the wheel. I shall locate the noise when the car is lifted and runs at idle. The noise arised after a launch at full throttle from stagnant, but the noise hasn't increased after that. Hopefully I get a chance to check it during this weekend.

    -arnt-
    Arnt
    '92 500E, 6.0 AMG, König SC, Black/black
    '94 E500 Limited, Sapphire black, 288 grey
    '92 500 TE, Silver/black (sold)

  13. #13
    Junior Member gmwind's Avatar
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    Re: Possible rear wheel bearing broken?!

    I experienced this same noise yesterday. Had been sitting for 2 weeks. Assume 500AMM resolved this and am interested to know what it was!
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